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Fix ntfs_is_cb_compressed for nasty runlist merging case in which 

compression block was incorrectly treated as not compressed.
edge.strict_endians
cha0smaster 2005-08-03 21:25:42 +00:00
parent 39ec2a8347
commit 0959ea9907
2 changed files with 12 additions and 1 deletions
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2
ChangeLog
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@ -25,6 +25,8 @@ xx/xx/xxxx - 1.12.0-WIP
- Make find work correctly on volumes mounted by ntfsmount. (Yura)
- Replaced all occurances of ENOTSUP to EOPNOTSUPP to be in better
harmony with the kernel driver. (Szaka)
- Fix ntfs_is_cb_compressed for nasty runlist merging case in which
compression block was incorrectly treated as not compressed. (Yura)
20/07/2005 - 1.11.1 - Fix several ntfsmount bugs.

11
libntfs/compress.c
View File

@ -3,6 +3,7 @@
* project.
*
* Copyright (c) 2004-2005 Anton Altaparmakov
* Copyright (c) 2005 Yura Pakhuchiy
*
* This program/include file is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
@ -265,9 +266,17 @@ static __inline__ BOOL ntfs_is_cb_compressed(ntfs_attr *na,
rl++;
/* Map the next runlist fragment if it is not mapped. */
if (rl->lcn < LCN_HOLE || !rl->length) {
rl = ntfs_attr_find_vcn(na, rl->vcn);
VCN tvcn;
tvcn = rl->vcn;
rl = ntfs_attr_find_vcn(na, tvcn);
if (!rl || rl->lcn < LCN_HOLE || !rl->length)
return TRUE;
if (rl->vcn < tvcn) {
/* Runs merged. Need special handling. */
cb_clusters -= rl->length - (tvcn - rl->vcn);
continue;
}
}
/* If the current run is sparse, the cb is compressed. */
if (rl->lcn == LCN_HOLE)